From 1205492d1c6bf7d8e938b47a76f7d0e4a8a8844f Mon Sep 17 00:00:00 2001
From: Joursoir <chat@joursoir.net>
Date: Thu, 9 Dec 2021 21:13:09 +0300
Subject: dir: make release of EFI_SHELL_FILE_INFO memory more safer

---
 Library/UefiShellUfmCommandLib/dir.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Library/UefiShellUfmCommandLib/dir.c b/Library/UefiShellUfmCommandLib/dir.c
index 782334d..2d50173 100644
--- a/Library/UefiShellUfmCommandLib/dir.c
+++ b/Library/UefiShellUfmCommandLib/dir.c
@@ -32,10 +32,12 @@ struct dir_list *dirl_alloc(CHAR16 *search_path, CONST UINT64 attr)
 			
 			// I have stolen code below in the source code of InternalFreeShellFileInfoNode():
 			RemoveEntryList(&node->Link);
-			FreePool((VOID*)node->Info);
+			if(node->Info != NULL)
+				FreePool((VOID*)node->Info);
 			FreePool((VOID*)node->FileName);
 			FreePool((VOID*)node->FullName);
-			gEfiShellProtocol->CloseFile(node->Handle);
+			if(node->Handle != NULL)
+				gEfiShellProtocol->CloseFile(node->Handle);
 			FreePool(node);
 			node = tmp;
 			continue;
-- 
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